本番 ほんばん運用 うんようじゃありませんでした
homban'un'yōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 本番運用

1. It wasn't in production.; It wasn't live.; It wasn't the real thing.

Past/Perfective
Negative
Polite
Terminal Form
Computing